| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|
| Jackson, Lindsay | SS | Cleveland Spiders | 31 | 09/08/2002 | La Crosse | USA | Right | Right | 6' 0" | 200 lbs | $600,000 | | Jareņo, Carlos | LF | Chicago Whales | 26 | 04/22/2007 | Unknown | MEX | Right | Right | 6' 2" | 200 lbs | $800,000 | | Jenkins, Brad | RP | Chicago Whales | 24 | 01/15/2010 | Bakersfield | USA | Right | Right | 6' 5" | 220 lbs | $300,000 | | Jenkins, Wynn | LF | Oakland Oaks | 27 | 09/11/2006 | Rocky Ford | USA | Left | Left | 6' 3" | 220 lbs | $300,000 | | Johnson, Charlie | LF | Chicago Whales | 29 | 09/10/2004 | Los Angeles | USA | Left | Right | 6' 2" | 205 lbs | $410,000 | | Johnson, Clinton | RP | Cleveland Spiders | 24 | 09/27/2009 | Indianapolis | USA | Left | Left | 6' 2" | 210 lbs | $300,000 | | Johnson, Donald | C | Brooklyn Superbas | 33 | 06/08/2000 | Albany | USA | Right | Right | 6' 4" | 245 lbs | $10,000,000 | | Johnson, Rick | RP | Chicago Whales | 30 | 11/04/2003 | Archer City | USA | Left | Left | 6' 3" | 230 lbs | $300,000 | | Johnson, Wes | RP | Boston Beaneaters | 26 | 11/05/2007 | San Diego | USA | Right | Right | 5' 11" | 190 lbs | $300,000 | | Johnston, Denny | SP | Chicago Whales | 26 | 02/03/2008 | Clearwater | USA | Right | Right | 6' 0" | 190 lbs | $1,100,000 | | Johnston, Tim | SP | Seattle Pilots | 29 | 10/15/2004 | Hermiston | USA | Left | Right | 6' 0" | 195 lbs | $16,800,000 | | Jones, Jason | C | Rochester Redbirds | 26 | 03/03/2007 | Wonder Lake | USA | Right | Right | 5' 10" | 210 lbs | $300,000 | | Jones, Mike | LF | Boston Beaneaters | 31 | 05/15/2002 | Edina | USA | Right | Right | 5' 9" | 255 lbs | $14,600,000 | | Joo, Yu-wei | SP | Cleveland Spiders | 16 | 04/17/2017 | Altay | CHN | Right | Left | 6' 0" | 165 lbs | - | | Jordan, Rick | RP | Philadelphia Quakers | 33 | 12/27/2000 | Topeka | USA | Right | Right | 5' 8" | 200 lbs | - |
|
